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Table 4 Effect of SC supplementation on neutral detergent fiber (NDF) degradation characteristics of alfalfa pellets in steers fed diets with different concentrate-to-forage ratios

From: Effect of Saccharomyces cerevisiae on alfalfa nutrient degradation characteristics and rumen microbial populations of steers fed diets with different concentrate-to-forage ratios

Item

CTFR

SEM

SC

SEM

P-value

Probability3

 

30:70

50:50

70:30

90:10

 

N1

Y2

 

CTFR

SC

CTFR × SC

Linear

Quadratic

Cubic

a, %

2.32

6.36

2.70

2.99

0.74

3.22

3.96

0.52

<0.01

0.32

0.13

0.67

0.03

<0.01

b, %

46.77

44.76

49.29

49.69

0.92

48.11

47.15

0.65

<0.01

0.30

0.35

<0.01

0.24

0.02

c, %/h

3.40

2.77

2.55

1.83

0.11

2.52

2.76

0.08

<0.01

0.03

0.04

<0.01

0.95

0.24

ED, %

26.89

27.35

25.28

22.36

0.44

24.70

26.25

0.31

<0.01

<0.01

0.56

<0.01

<0.01

0.47

  1. 1N: without yeast supplementation;
  2. 2Y: with yeast supplementation;
  3. 3Linear indicates linear effect of dietary CTFR; quadratic indicates a quadratic effect of dietary CTFR; cubic indicates a cubic effect of dietary CTFR.